Home / 205,106.15-307,657.82-110,380.89

Finding the Fourth Proportional to 205,106.15, 307,657.82 and 110,380.89

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Solution

The fourth proportional to 205,106.15, 307,657.82 and 110,380.89 is: 165,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,106.15 : 307,657.82 = 110,380.89 : x
  2. Step 2: Convert to fraction form
    205,106.15/307,657.82 = 110,380.89/x
  3. Step 3: Cross multiply
    205,106.15x = 307,657.82 × 110,380.89
  4. Step 4: Simplify right side
    205,106.15x = 33,959,543,435.16
  5. Step 5: Solve for x
    x = 33,959,543,435.16/205,106.15
  6. Step 6: Final answer
    x = 165,570.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.